/* SPDX-License-Identifier: GPL-2.0-only */ #include <chip.h> #include <amdblocks/agesawrapper.h> #include <gpio.h> #include <console/console.h> #include <soc/pci_devs.h> #define DIMMS_PER_CHANNEL 1 #if DIMMS_PER_CHANNEL > MAX_DIMMS_PER_CH #error "Too many DIMM sockets defined for the mainboard" #endif static const PSO_ENTRY DDR4PlatformMemoryConfiguration[] = { DRAM_TECHNOLOGY(ANY_SOCKET, DDR4_TECHNOLOGY), NUMBER_OF_DIMMS_SUPPORTED(ANY_SOCKET, ANY_CHANNEL, DIMMS_PER_CHANNEL), NUMBER_OF_CHANNELS_SUPPORTED(ANY_SOCKET, MAX_DRAM_CH), MOTHER_BOARD_LAYERS(LAYERS_6), MEMCLK_DIS_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00), CKE_TRI_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff), ODT_TRI_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff), CS_TRI_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00), PSO_END }; /* Liara-specific 2T memory configuration */ static const PSO_ENTRY DDR4_2T_MemoryConfiguration[] = { DRAM_TECHNOLOGY(ANY_SOCKET, DDR4_TECHNOLOGY), NUMBER_OF_DIMMS_SUPPORTED(ANY_SOCKET, ANY_CHANNEL, DIMMS_PER_CHANNEL), NUMBER_OF_CHANNELS_SUPPORTED(ANY_SOCKET, MAX_DRAM_CH), MOTHER_BOARD_LAYERS(LAYERS_6), MEMCLK_DIS_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00), CKE_TRI_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff), ODT_TRI_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff), CS_TRI_MAP(ANY_SOCKET, ANY_CHANNEL, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00), TBLDRV_CONFIG_TO_OVERRIDE(DIMMS_PER_CHANNEL, ANY_SPEED, VOLT_ANY_, ANY_), TBLDRV_CONFIG_ENTRY_SLOWACCMODE(1), PSO_END }; void OemPostParams(AMD_POST_PARAMS *PostParams) { if (CONFIG(BOARD_GOOGLE_LIARA) || CONFIG(BOARD_GOOGLE_TREEYA)) PostParams->MemConfig.PlatformMemoryConfiguration = (PSO_ENTRY *)DDR4_2T_MemoryConfiguration; else PostParams->MemConfig.PlatformMemoryConfiguration = (PSO_ENTRY *)DDR4PlatformMemoryConfiguration; /* * Bank interleaving is enabled by default in AGESA. However, from AMD's * explanation, bank interleaving is really chip select interleave, * requiring 2 chip select arriving to the DIMM (rank interleaving). As * both kahlee and grunt are hardware limited to a single chip select * arriving at the DIMM, interleave will not work. This causes AGESA to * throw a warning. To avoid the warning, interleaving needs to be * disabled. */ PostParams->MemConfig.EnableBankIntlv = FALSE; } void set_board_env_params(GNB_ENV_CONFIGURATION *params) { const struct soc_amd_stoneyridge_config *cfg; const struct device *dev = pcidev_path_on_root(GNB_DEVFN); if (!dev || !dev->chip_info) { printk(BIOS_WARNING, "Warning: Cannot find SoC devicetree config\n"); return; } cfg = dev->chip_info; if (cfg->lvds_poseq_blon_to_varybl && cfg->lvds_poseq_varybl_to_blon) { /* * GPIO 133 - Backlight enable (active low) * Pass control of the backlight to the video BIOS */ gpio_set(GPIO_133, 0); printk(BIOS_INFO, "Change panel init timing\n"); params->LvdsPowerOnSeqVaryBlToBlon = cfg->lvds_poseq_varybl_to_blon; params->LvdsPowerOnSeqBlonToVaryBl = cfg->lvds_poseq_blon_to_varybl; printk(BIOS_INFO, "LvdsPowerOnSeqVaryBlToBlon: %dms\n", (params->LvdsPowerOnSeqVaryBlToBlon)*4); printk(BIOS_INFO, "LvdsPowerOnSeqBlonToVaryBl: %dms\n", (params->LvdsPowerOnSeqBlonToVaryBl)*4); } params->EDPv1_4VSMode = EDP_VS_HIGH_VDIFF_MODE; }